1. Explain why the behavior of H2 (positive deviation) is different from the behavior of CH4 and NH3, (negative deviation), as shown in the graph.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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1. Explain why the behavior of H2 (positive deviation) is different from the behavior of CH4
and NH3, (negative deviation), as shown in the graph.
CH4
2.0
H2
NH3
RT 1.0
Ideal gas
200
400 600
800
1000 1200
P (atm)
2. Explain how the compressibility factor (Z) varies with pressure and temperature and
describe how it reveals information about intermolecular interactions in real gases.
Transcribed Image Text:1. Explain why the behavior of H2 (positive deviation) is different from the behavior of CH4 and NH3, (negative deviation), as shown in the graph. CH4 2.0 H2 NH3 RT 1.0 Ideal gas 200 400 600 800 1000 1200 P (atm) 2. Explain how the compressibility factor (Z) varies with pressure and temperature and describe how it reveals information about intermolecular interactions in real gases.
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